<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>display</title>
    <style type="text/css">
        .box {
            width: 500px;
            height: 80px;
            background-color: bisque;
            /*  */
            /* display: inline; */
            /* display: none; */
            visibility: hidden;
        }
        span {
            display: inline-block;
            width: 500px;
            height: 80px;
            background-color: cadetblue;
        }


    </style>
</head>
<body>
    <div class="box" >div</div>
    <span>span</span>
</body>
</html>